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In a YDSE with identical slits, the intensity of the central bright fringe is `I_(0)`. If one of the slits is covered, the intensity at the same point isA. `2 I_(0)`B. `I_(0)`C. `I_(0) //2`D. `I_(0) //4` |
Answer» Correct Answer - d Let intensity of one slit be `I`. For maxima, `Delta phi = 0` `implies I_(0) = I + I + 2 sqrt(II) cos (0)` `implies I = (I_(0))/(4)`. |
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